High-decibel alarm sound speakers,set the size of the alarm sound
or be mute according to user's need.

It can be connected to the Internet, through a single PC and
special software ,it can manage multiple devices ,to meet the need
of large-scale activities , events , and users who have to manage
multiple devices at a time.

It can link external devices such as : three roller gates, wing
gates , access control, attendance, and the devices that need to
control and register each other.

With upgrade ports, we provide lifelong upgrade services, it can
achieve the secondary development according to user's need.